Home / 139,968,992.70-209,953,489.05-110,743,674.30

Finding the Fourth Proportional to 139,968,992.70, 209,953,489.05 and 110,743,674.30

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Solution

The fourth proportional to 139,968,992.70, 209,953,489.05 and 110,743,674.30 is: 166,115,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,992.70 : 209,953,489.05 = 110,743,674.30 : x
  2. Step 2: Convert to fraction form
    139,968,992.70/209,953,489.05 = 110,743,674.30/x
  3. Step 3: Cross multiply
    139,968,992.70x = 209,953,489.05 × 110,743,674.30
  4. Step 4: Simplify right side
    139,968,992.70x = 23,251,020,809,501,816
  5. Step 5: Solve for x
    x = 23,251,020,809,501,816/139,968,992.70
  6. Step 6: Final answer
    x = 166,115,511.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.